No Products in the Cart
Harris 6290NX-4 is the size 4 two piece cutting tip for propane and natural gas in the Harris 6290 series, used on Harris style cutting torches and cutting attachments that take 6290 tips. This is an aftermarket tip made to the same series, size and seat.
The tip has a splined brass inner and a chrome plated outer sleeve. Propane and natural gas need a bigger, softer preheat flame than acetylene, and the gap between the two pieces is what gives it. The inner pulls out of the sleeve for cleaning.
Check the series and size stamped on your old tip before ordering: it should read 6290 NX with size 4. Sold in packs of 2 or 5.
| Part number | 6290NX-4 |
| Tip series | 6290 NX (Harris style) |
| Tip size | 4 |
| Type | Two piece tip for propane and natural gas |
| Fits | Harris style cutting torches and cutting attachments that take 6290 series tips |
| Material | Brass inner, chrome plated outer sleeve |
| Condition | New, aftermarket replacement |
| Pack Options | 2 pack, 5 pack |
| Stat. HS-Code | 846890 |
| Country of Manufacture | China |
| Trademarks | Harris is a trademark of its owner. Names and part numbers are for reference only; this is an aftermarket part, not made or approved by them. |
Harris style cutting torches
Match the series and size stamped on your old tip before ordering.
| Pack | Dimensions | Harris Part No.(SPM Part No.) |
|---|---|---|
| Harris 6290NX-4 | size 4 | 6290NX-4(SPM-WLD-5029) |
Propane and natural gas cutting
6290 NX tips are made for alternative fuel gases, which need a larger preheat flame than acetylene.
Workshop, farm and site cutting
Plate, structural steel and scrap cutting with a Harris style torch.
Routine replacement
Replace a tip when the orifice is worn oval, the face is pitted or the flame no longer runs straight.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (5 aftermarket sellers) (pack of 2) | USD 11.60 to 28.98 | 2 Nov 2026 |
| Zoro (Powerweld) (pack of 2) | USD 16.90 | 2 Nov 2026 |
| Zoro (American Torch Tip) (pack of 2) | USD 24.50 | 2 Nov 2026 |
| Weld-Ready (2 singles) | USD 43.04 | 2 Nov 2026 |
| Spare Part Mart (pack of 2) | USD 9.13 | Today |
Our price of USD 9.13 is 21% to 79% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it is a direct replacement for the Harris 6290NX-4 with the same fitting.
It depends on hours and working conditions. Follow the machine service schedule, and change it when it shows wear rather than waiting for it to fail.
Leaks, noise, loss of performance, or visible wear compared with a new part. If in doubt, measure it against the sizes in the specifications.
Yes. Every order is covered by our 30 day money back guarantee. Keep it unused and in its packaging.
Keep it until the new one is fitted and running. It is the quickest way to compare sizes, connectors and mounting if anything looks different.
No. It is an aftermarket gas cutting tip made to replace the Harris 6290NX-4. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
Join and we put 200 points on your account, worth $10 off an order over $75 USD. Then a point for every dollar you spend after that. Turn points into a discount whenever you like.
Opens the Marty Mates panel. No password: you enter your email, we send a code, and that is you in with your 200 points waiting. Joining signs you up to our emails and you can leave any time from the link in any of them. See our terms and conditions.
Member deals, specials before they go public, and easy ways to stack up points. Plus a nudge when a part you bought is due, so you are not caught out mid job.
You can leave any time from the link in any email we send. See our terms and conditions.
We will only bother you when it is worth it: a member deal, a specials drop, a way to earn points faster, or a heads up that a part you bought is due.
Join Marty Mates and we put 200 points on your account, worth $10 off an order over $75 USD. Then a point for every dollar you spend after that.
No password: you enter your email, we send a code, and that is you in.
